Anatomy Lecture Exam 1 Flashcards
From actual exam
Organelle responsible for production of ribosomes
Nucleolus
Describe the purpose of the mitochondria in the human cell
Where ATP (cellular energy) is produced
Organelle responsible for packaging & shipping out proteins & triglycerides
Golgi apparatus
Describe the purpose of peroxisomes in the human cell
Neutralizes free radicals
Movement of small, non-polar substances from high concentration to low concentration across the cell membrane utilize which type of transport
Simple diffusion
Movement of water across a semipermeable membrane to an area of greater solute concentration is
Osmosis
Which of the following best describes heterochromatin
DNA that is tightly packed around histone proteins & unable to be translated
Prior to forming a protein, the first step of reading DNA is ____ and takes place in the ____
Transcription, nucleus
____ contains anti-codons that match the codon on mRNA, simultaneously delivering a corresponding amino acid
tRNA
What stage of the cell cycle does DNA replication take place
S phase of Interphase
Which of the following fibrous joints is only found in teeth & exhibits synarthroses
Gomphosis
Which of the following cartilaginous joints are the bones held together by fibrocartilage
Symphysis
Which of the following is an example of a non-axial synovial joint
Intercarpal
The thoracic vertebrae is unique for its more inferiorly pointed ____, which prevents ____
Spinous process, lateral movement
The ear & epiglottis are examples of which type of cartilaginous tissue
Hyaline cartilage
The meniscus is made up of which type of cartilaginous tissue
Fibrocartilage
Which of the following is not an example of loose connective tissue proper
Epithelium
Blood is considered connective tissue because of which of the following shared characteristics
Same embryonic origin – the mesenchyme
What two main factors make up the extracellular matrix of connective tissue
Ground substance & protein fibers
If cartilage is torn it is unable to repair itself for which of the following reasons
Cartilage is avascular
____ is due to a curvature of the lumbar vertebrae
Scoliosis
Which type of epithelium typically has cilia inserted into the apical side of the tissue & is only found in the trachea
Pseudostratified
The RNA nucleotide guanine pairs with which DNA nucleotide on the opposite strand
Cytosine
What is the general function of RNA polymerase
Transcribes mRNA
Has a role in neutralizing free radicals in the cell
Peroxisomes
Which of the following would you expect to find in or on cells whose main function is absorption
Microvilli
The urinary bladder exhibits which type of epithelial tissue
Pseudostratified columnar epithelial tissue
The inner exposed lining of capillaries is lined with which type of epithelial tissue
Simple squamous
What type of tissue is evident in the dermis skin
Both dense irregular connective & loose areolar connective
The intervertebral discs are composed of what kind of cartilage
Fibrocartilage
Hyaline cartilage i found in all of the following except for
Epiglottis
What primary protein fiber is found in dense irregular connective tissue
Collagen
